Reports

Cigarette Smoking: Objective Evidence for Lung Damage in Teen-Agers

Science  14 May 1971:
Vol. 172, Issue 3984, pp. 741-743
DOI: 10.1126/science.172.3984.741

Abstract

High school students with 1 to 5 years' smoking experience have excessive cough, sputum production, and shortness of breath. When maximum expiratory flow is plotted against maximum expired volume, the curves of nonsmokers and smokers differ in shape. The smokers have lower flow rates at mid-vital capacity and at lower lung volumes. This probably reflects small airway obstruction in the smokers.

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